diff options
Diffstat (limited to 'hesiod/nss_hesiod/hesiod-service.c')
-rw-r--r-- | hesiod/nss_hesiod/hesiod-service.c | 95 |
1 files changed, 34 insertions, 61 deletions
diff --git a/hesiod/nss_hesiod/hesiod-service.c b/hesiod/nss_hesiod/hesiod-service.c index e0ca965310..8faea3aa5d 100644 --- a/hesiod/nss_hesiod/hesiod-service.c +++ b/hesiod/nss_hesiod/hesiod-service.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Copyright (C) 1997, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997. @@ -17,102 +17,68 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <bits/libc-lock.h> #include <errno.h> #include <hesiod.h> #include <netdb.h> #include <netinet/in.h> #include <nss.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> +#include "nss_hesiod.h" /* Hesiod uses a format for service entries that differs from the traditional format. We therefore declare our own parser. */ #define ENTNAME servent -#define ENTDATA servent_data struct servent_data {}; #define TRAILING_LIST_MEMBER s_aliases #define TRAILING_LIST_SEPARATOR_P isspace #include <nss/nss_files/files-parse.c> -#define ISSEMICOLON(c) ((c) == ';') +#define ISSC_OR_SPACE(c) ((c) == ';' || isspace (c)) LINE_PARSER -("", - (void) entdata; - STRING_FIELD (result->s_name, ISSEMICOLON, 1); - STRING_FIELD (result->s_proto, ISSEMICOLON, 1); - INT_FIELD (result->s_port, ISSEMICOLON, 10, 0, htons); +("#", + STRING_FIELD (result->s_name, ISSC_OR_SPACE, 1); + STRING_FIELD (result->s_proto, ISSC_OR_SPACE, 1); + INT_FIELD (result->s_port, ISSC_OR_SPACE, 10, 0, htons); ) - -/* Locks the static variables in this file. */ -__libc_lock_define_initialized (static, lock); - -static void *context = NULL; - -static enum nss_status -internal_setservent (void) -{ - if (!context) - { - if (hesiod_init (&context) == -1) - return NSS_STATUS_UNAVAIL; - } - - return NSS_STATUS_SUCCESS; -} - enum nss_status _nss_hesiod_setservent (void) { - enum nss_status status; - - __libc_lock_lock (lock); - - status = internal_setservent (); - - __libc_lock_unlock (lock); - - return status; + return NSS_STATUS_SUCCESS; } enum nss_status _nss_hesiod_endservent (void) { - __libc_lock_lock (lock); - - if (context) - { - hesiod_end (context); - context = NULL; - } - - __libc_lock_unlock (lock); - return NSS_STATUS_SUCCESS; } static enum nss_status -lookup (const char *name, const char *protocol, struct servent *serv, - char *buffer, size_t buflen, int *errnop) +lookup (const char *name, const char *type, const char *protocol, + struct servent *serv, char *buffer, size_t buflen, int *errnop) { - enum nss_status status; struct parser_data *data = (void *) buffer; size_t linebuflen; + void *context; char **list, **item; int parse_res; int found; - status = internal_setservent (); - if (status != NSS_STATUS_SUCCESS) - return status; + context = _nss_hesiod_init (); + if (context == NULL) + return NSS_STATUS_UNAVAIL; - list = hesiod_resolve (context, name, "service"); + list = hesiod_resolve (context, name, type); if (list == NULL) - return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL; + { + hesiod_end (context); + return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL; + } linebuflen = buffer + buflen - data->linebuffer; @@ -125,6 +91,7 @@ lookup (const char *name, const char *protocol, struct servent *serv, if (linebuflen < len) { hesiod_free_list (context, list); + hesiod_end (context); *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } @@ -135,17 +102,19 @@ lookup (const char *name, const char *protocol, struct servent *serv, if (parse_res == -1) { hesiod_free_list (context, list); + hesiod_end (context); return NSS_STATUS_TRYAGAIN; } if (parse_res > 0) - found = protocol == NULL || strcmp (serv->s_proto, protocol) == 0; + found = protocol == NULL || strcasecmp (serv->s_proto, protocol) == 0; ++item; } while (*item != NULL && !found); hesiod_free_list (context, list); + hesiod_end (context); return found ? NSS_STATUS_SUCCESS : NSS_STATUS_NOTFOUND; } @@ -155,13 +124,17 @@ _nss_hesiod_getservbyname_r (const char *name, const char *protocol, struct servent *serv, char *buffer, size_t buflen, int *errnop) { - enum nss_status status; - - __libc_lock_lock (lock); + return lookup (name, "service", protocol, serv, buffer, buflen, errnop); +} - status = lookup (name, protocol, serv, buffer, buflen, errnop); +enum nss_status +_nss_hesiod_getservbyport_r (const int port, const char *protocol, + struct servent *serv, + char *buffer, size_t buflen, int *errnop) +{ + char portstr[6]; /* Port numbers are restricted to 16 bits. */ - __libc_lock_unlock (lock); + snprintf (portstr, sizeof portstr, "%d", ntohs (port)); - return status; + return lookup (portstr, "port", protocol, serv, buffer, buflen, errnop); } |